81574554 (number)

81574554 is an even 8-digits composite number following 81574553 and preceding 81574555. In scientific notation, it is written as 8.1574554 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 27191516 positive integers (up to 81574554) that are relatively prime to 81574554.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred seventy-four thousand five hundred fifty-four

Notation

Scientific notation 8.1574554 × 10^7
Engineering notation 8.1574554 × 10^6

Prime Factorization of 81574554

Prime Factorization 2 × 3 × 13595759

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81574554
Product of the distinct prime numbers

The prime factorization of 81574554 is 2 × 3 × 13595759. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81574554)

Multiplication

n×y
n×2 163149108
n×3 244723662
n×4 326298216
n×5 407872770

Division

n÷y
n÷2 40787277
n÷3 27191518
n÷3 20393638.5
n÷5 16314910.8

Exponentiation

ny
n2 6654407860298916
n3 5.4283035333798E+23
n4 4.4281143971208E+31
n5 3.6122145700611E+39

Nth Root

y√n
2√n 9031.8632629154
3√n 433.69548673071
4√n 95.036115571478
5√n 38.221782920552

Divisors of 81574554

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81574553
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81574554 can be divided by 8 positive divisors. The sum of these divisors (counting 81574554) is 1, the average is 0.125.

Base conversion 81574554

Base System Value
2 Binary 100110111001011101010011010
3 Ternary 12200111102020210
4 Quaternary 10313023222122
5 Quinary 131340341204
6 Senary 12032231550
8 Octal 467135232
10 Decimal 81574554
12 Duodecimal 2339b5b6
16 Hexadecimal 4dcba9a
20 Vigesimal 159gg7e
36 Base36 1ckfbu

Cryptographic Hash Functions

md5 45c38246d9ebf38913a9e02629968527
sha1 cce1483300f15a5d664a594a7d88927f07e08b8f
sha256 0f87ca4c81f7b1c7b2a4dcb333e8e9098562fccce2c3411d26807f5f59211eb1
sha512 b9a3136180a699194ae79443ef0e1db4f0ecce166f1bcdce88a9a83724361ee08114b3da8405c072f6157e283ae2d294011af65a6d9fe71d823041099103f629
ripemd-160 5194848f41a50886fd0d14580e934b35fd50adda

81574554 as geometric shapes

Circle

Radius = n
Diameter 163149108
Circumference 512548039.13253
Area 2.0905438847905E+16

Sphere

Radius = n
Volume 2.2738024669229E+24
Surface area 8.3621755391621E+16
Circumference 512548039.13253

Square

Length = n
Perimeter 326298216
Area 6654407860298916
Diagonal 115363840.61134

Cube

Length = n
Surface area 39926447161793496
Volume 5.4283035333798E+23
Space diagonal 141291272.13277

Equilateral Triangle

Length = n
Perimeter 244723662
Area 2.8814431270809E+15
Altitude 70645636.066385

Triangular Pyramid

Length = n
Surface area 2.8814431270809E+15
Volume 6.3973170646529E+22
Height 38454613.537112